CEM-5F3A

Condition







If the water pump circuit is short-circuited to voltage supply, the control unit will interpret this as a fault and the diagnostic trouble code CEM-5F3A will be set.

Substitute value

- None.

Possible source

- Signal wire short-circuited to voltage supply.
- Defective water pump.

Fault symptom[s]

- Parking heater does not work.
- Poor interior heating.